1010210100989 has 4 divisors (see below), whose sum is σ = 1010245455324. Its totient is φ = 1010174746656.

The previous prime is 1010210100983. The next prime is 1010210101049. The reversal of 1010210100989 is 9890010120101.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 799674120025 + 210535980964 = 894245^2 + 458842^2 .

It is a cyclic number.

It is not a de Polignac number, because 1010210100989 - 2¹⁶ = 1010210035453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1010210100983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17634272 + ... + 17691465.

It is an arithmetic number, because the mean of its divisors is an integer number (252561363831).

Almost surely, 2^{1010210100989} is an apocalyptic number.

It is an amenable number.

1010210100989 is a deficient number, since it is larger than the sum of its proper divisors (35354335).

1010210100989 is an equidigital number, since it uses as much as digits as its factorization.

1010210100989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35354334.

The product of its (nonzero) digits is 1296, while the sum is 32.

The spelling of 1010210100989 in words is "one trillion, ten billion, two hundred ten million, one hundred thousand, nine hundred eighty-nine".